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path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h
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Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h
new file mode 100644
index 000000000000..d898981684d5
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM amdgpu_dm
+
+#if !defined(_AMDGPU_DM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _AMDGPU_DM_TRACE_H_
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(amdgpu_dc_rreg,
+ TP_PROTO(unsigned long *read_count, uint32_t reg, uint32_t value),
+ TP_ARGS(read_count, reg, value),
+ TP_STRUCT__entry(
+ __field(uint32_t, reg)
+ __field(uint32_t, value)
+ ),
+ TP_fast_assign(
+ __entry->reg = reg;
+ __entry->value = value;
+ *read_count = *read_count + 1;
+ ),
+ TP_printk("reg=0x%08lx, value=0x%08lx",
+ (unsigned long)__entry->reg,
+ (unsigned long)__entry->value)
+);
+
+TRACE_EVENT(amdgpu_dc_wreg,
+ TP_PROTO(unsigned long *write_count, uint32_t reg, uint32_t value),
+ TP_ARGS(write_count, reg, value),
+ TP_STRUCT__entry(
+ __field(uint32_t, reg)
+ __field(uint32_t, value)
+ ),
+ TP_fast_assign(
+ __entry->reg = reg;
+ __entry->value = value;
+ *write_count = *write_count + 1;
+ ),
+ TP_printk("reg=0x%08lx, value=0x%08lx",
+ (unsigned long)__entry->reg,
+ (unsigned long)__entry->value)
+);
+
+
+TRACE_EVENT(amdgpu_dc_performance,
+ TP_PROTO(unsigned long read_count, unsigned long write_count,
+ unsigned long *last_read, unsigned long *last_write,
+ const char *func, unsigned int line),
+ TP_ARGS(read_count, write_count, last_read, last_write, func, line),
+ TP_STRUCT__entry(
+ __field(uint32_t, reads)
+ __field(uint32_t, writes)
+ __field(uint32_t, read_delta)
+ __field(uint32_t, write_delta)
+ __string(func, func)
+ __field(uint32_t, line)
+ ),
+ TP_fast_assign(
+ __entry->reads = read_count;
+ __entry->writes = write_count;
+ __entry->read_delta = read_count - *last_read;
+ __entry->write_delta = write_count - *last_write;
+ __assign_str(func, func);
+ __entry->line = line;
+ *last_read = read_count;
+ *last_write = write_count;
+ ),
+ TP_printk("%s:%d reads=%08ld (%08ld total), writes=%08ld (%08ld total)",
+ __get_str(func), __entry->line,
+ (unsigned long)__entry->read_delta,
+ (unsigned long)__entry->reads,
+ (unsigned long)__entry->write_delta,
+ (unsigned long)__entry->writes)
+);
+#endif /* _AMDGPU_DM_TRACE_H_ */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE amdgpu_dm_trace
+#include <trace/define_trace.h>